Plasma measurements in the tails of Venus showed the existence of several ion populations. Measurements performed on Venera and Pioneer Venus spacecraft at different planetocentric distances showed the evolution of the plasma parameters along the tail. Low-energy ion fluxes measured in the tail at close downstream distances, are also observed farther downstream, and show low acceleration from 0.5 R(sub V) to 12 R(sub V). High energy ions (energetic O(+) ions) reported from Pioneer Venus Orbiter (PVO) observations in the tail at 10-12 R(sub V) seem to be the same ion component that was observed as energetic ions at the tail boundary close to the planet on Venera spacecraft. We give evidence that these ions are accelerated in the narrow shear layer near the tail boundary.


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    Titel :

    Ion populations in the tail of Venus


    Beteiligte:
    Vaisberg, O. (Autor:in) / Fedorov, A. (Autor:in) / Dunjushkin, F. (Autor:in) / Kozhukhovsky, A. (Autor:in) / Smirnov, V. (Autor:in) / Avanov, L. (Autor:in) / Russell, C. T. (Autor:in) / Luhmann, J. G. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1995-08-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Ion Populations in the Tail of Venus

    Vaisberg, O. | Online Contents | 1995


    Ion Populations in the Tail of Venus

    Vaisberg, O. / Fedorov, A. / Dunjushkin, F. et al. | British Library Conference Proceedings | 1995


    Detection of Venus Tail Rays Near Earth

    Grunwaldt, H. / Neugebauer, M. / Bochsler, P. et al. | NTRS | 1997


    Mass-loading and the formation of the Venus tail

    Russell, C. T. / Luhmann, J. G. / Saunders, M. A. | NTRS | 1985


    Mass-loading and the formation of the Venus tail

    Russell, C.T. / Saunders, M.A. / Luhmann, J.G. | Elsevier | 1985